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path: root/lib/CodeGen/CodeGenModule.cpp
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2011-01-11Add unnamed_addr to constructors and destructors.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123197 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-10Add unnamed_addr when creating artificial string globals. For example, inRafael Espindola
static const char foo[] = "foo"; static const char *bar = "bar"; the global created to hold "bar" will have it, but foo will not. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123192 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-30Simplify mem{cpy, move, set} creation with IRBuilder.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122634 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-15Set the "implicitly inline" bit on a method as soon as we see a definitionJohn McCall
within the class. Teach IR gen to look for function definitions in record lexical contexts when deciding whether to emit a function whose address was taken. Fixes PR8789. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121833 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-02Add support for the common and nocommon attributes.Eric Christopher
rdar://8560647 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120650 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06Simplify the logic for emitting guard variables for template staticJohn McCall
data members by delaying the emission of the initializer until after linkage and visibility have been set on the global. Also, don't emit a guard unless the variable actually ends up with vague linkage, and don't use thread-safe statics in any case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118336 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-02Ensure that static local variables in function templates inherit theJohn McCall
visibility of their function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118065 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30Better solution: calculate the visibility of functions and variablesJohn McCall
independently of whether they're definitions, then teach IR generation to ignore non-explicit visibility when emitting declarations. Use this to make sure that RTTI, vtables, and VTTs get the right visibility. More of rdar://problem/8613093 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117781 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-29Restore r117644, this time properly ignoring -fvisibility and type visibilityJohn McCall
for namespace-scope variable declarations. Apply visibility in IR gen to variables that are merely declared and never defined. We were previously emitting these with default visibility unless they were declared with private_extern. Ignore global visibility settings when computing visibility for a declaration's context, and key several conditions on whether a visibility attribute exists anywhere in the hierarchy as opposed to whether it exists at the current level. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117729 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-29Revert r117644, "Apply visibility in IR gen to variables that are merelyDaniel Dunbar
declared", it breaks things. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117653 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-29Apply visibility in IR gen to variables that are merely declaredJohn McCall
and never defined. We were previously emitting these with default visibility unless they were declared with private_extern. Ignore global visibility settings when computing visibility for a declaration's context, and key several conditions on whether a visibility attribute exists anywhere in the hierarchy as opposed to whether it exists at the current level. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117644 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Do the guarding of instantiated static data membersFariborz Jahanian
on if its linkage is weak. Currently this is the case but may change in the future. (part of radar 8562966). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117452 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-22Substantially revise how clang computes the visibility of a declaration toJohn McCall
more closely parallel the computation of linkage. This gets us to a state much closer to what gcc emits, modulo bugs, which will undoubtedly arise in abundance. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19This patch implements Next's IRGen for -fconstant-string-class=class-name.Fariborz Jahanian
PR6056, //rdar: //8564463 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116819 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-15Experimental TBAA support for enum types.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116613 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-15Don't leak the TBAA object.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116595 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-14Experimental TBAA support.Dan Gohman
This enables metadata generation by default, however the TBAA pass in the optimizer is still disabled for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116536 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-11lib/CodeGen/CodeGenModule.cpp: DLLImportLinkage should be processed also on ↵NAKAMURA Takumi
declaration. It enables clang to compile Mingw's headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116184 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29Add support for attribute((naked)), patch by Zoxc on cfe-commits!Daniel Dunbar
- Minor style tweaks by me. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115056 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-27Kill FunctionDecl's IsCopyAssignment bit; it duplicated what couldDouglas Gregor
already be determined by isCopyAssignmentOperator(), and was set too late in the process for all clients to see the appropriate value. Cleanup only; no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114916 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Opportunistically use the C++ personality function in ObjC++John McCall
translation units that don't catch ObjC types. rdar://problem/8434851 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114070 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-07get rid of a warning.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113256 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-07Have Sema check for validity of CGString literalFariborz Jahanian
instead of asserting in IRGen. Fixes radar 8390459. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113253 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Teach IR generation to return 'this' from constructors and destructorsJohn McCall
under the ARM ABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112588 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26De-memberify the VarDecl and FunctionDecl StorageClass enums.John McCall
This lets us remove Sema.h's dependency on Expr.h and Decl.h. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112156 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-23Support for IRGen of synthesize bitfield ivars inFariborz Jahanian
objc-nonfragile-abi2 (radar 7824380). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111823 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-22Go back to asking CodeGenTypes whether a type is zero-initializable.John McCall
Make CGT defer to the ABI on all member pointer types. This requires giving CGT a handle to the ABI. It's way easier to make that work if we avoid lazily creating the ABI. Make it so. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111786 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21The ARM C++ ABI is sufficiently different from the Itanium C++ ABI thatJohn McCall
it deserves its own enumerator. Obviously the implementations should closely follow the Itanium ABI except in cases of divergence. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111749 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-19Add some enum goodness as requested by Chris. Now instead of storing theCharles Davis
active C++ ABI as a raw string, we store it as an enum. This should improve performance somewhat. And yes, this time, I started from a clean build directory, and all the tests passed. :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111507 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18Generate Attr subclasses with TableGen.Sean Hunt
Now all classes derived from Attr are generated from TableGen. Additionally, Attr* is no longer its own linked list; SmallVectors or Attr* are used. The accompanying LLVM commit contains the updates to TableGen necessary for this. Some other notes about newly-generated attribute classes: - The constructor arguments are a SourceLocation and a Context&, followed by the attributes arguments in the order that they were defined in Attr.td - Every argument in Attr.td has an appropriate accessor named getFoo, and there are sometimes a few extra ones (such as to get the length of a variadic argument). Additionally, specific_attr_iterator has been introduced, which will iterate over an AttrVec, but only over attributes of a certain type. It can be accessed through either Decl::specific_attr_begin/end or the global functions of the same name. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111455 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-17Convert all uses of StringLiteral::getStrData() to StringLiteral::getString()Benjamin Kramer
and remove getStrData(). Patch by Peter Davies (with some tweaks). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111229 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12Just disable the hidden-visibility optimization for now by hiding it behindJohn McCall
a -cc1 option. The Darwin linker complains about mixed visibility when linking gcc-built objects with clang-built objects, and the optimization isn't really that valuable. Platforms with less ornery linkers can feel free to enable this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110979 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-08Thread local variables aren't considered common linkage.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110530 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05It turns out that linkers (at least, the Darwin linker) don't necessarilyJohn McCall
do the right thing with mixed-visibility symbols, so disable the visibility optimization where that's possible, i.e. with template classes (since it's possible that an arbitrary template might be subject to an explicit instantiation elsewhere). 447.dealII actually does this. I've put the code under an option that's currently not hooked up to anything. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110374 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Implement #pragma GCC visibility.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110315 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04Emit standard-library RTTI with external linkage, not weak_odr.John McCall
Apply hidden visibility to most RTTI; libstdc++ does not rely on exact pointer equality for the type info (just the type info names). Apply the same optimization to RTTI that we do to vtables. Fixes PR5962. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110192 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Change the name to something less terrible; suggestion by Doug. No ↵Argyrios Kyrtzidis
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109797 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Merge PCHWriterDecl.cpp's isRequiredDecl and ↵Argyrios Kyrtzidis
CodeGenModule::MayDeferGeneration into a new function, DeclIsRequiredFunctionOrFileScopedVar. This is essentially a CodeGen predicate that is also needed by the PCH mechanism to determine whether a decl needs to be deserialized during PCH loading for codegen purposes. Since this logic is shared by CodeGen and the PCH mechanism, move it to the ASTContext, thus CodeGenModule's GetLinkageForFunction/GetLinkageForVariable and the GVALinkage enum is moved out of CodeGen. This fixes current (and avoids future) codegen-from-PCH bugs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109784 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-28we are not supposed to create an improper callsite using a CallInstr; leave ↵Gabor Greif
a fixme mentioning the simplification when CallSite can clone itself git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109575 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27Revert r109546, it broke linux build.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109550 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27Merge PCHWriterDecl.cpp's isRequiredDecl and ↵Argyrios Kyrtzidis
CodeGenModule::MayDeferGeneration into a new function, DeclIsRequiredFunctionOrFileScopedVar. This function is part of the public CodeGen interface since it's essentially a CodeGen predicate that is also needed by the PCH mechanism to determine whether a decl needs to be deserialized during PCH loading for codegen purposes. This fixes current (and avoids future) codegen-from-PCH bugs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109546 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-22atch for implementation of objective-c's -WselectorFariborz Jahanian
warning flag in clang. Little more to do for a PCH issue. Radar 6507158. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109129 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-16IRgen: Support user defined attributes on block runtime functions.Daniel Dunbar
- This issue here is that /usr/include/Blocks.h wants to define some of the block runtime globals as weak, depending on the target. This doesn't work in Clang because we aren't using the AST decl for these globals. - The fix is a pretty gross hack which just watches all the decls for the specific blocks globals we need to know about; if we see one we use it, otherwise we use the hand coded type. In time, I would like to clean this up by changing IRgen to ask Sema/AST for the decl, which would then be lazily loaded from the builtin table if necessary. This could be used in a whole host of places in IRgen and would get rid of a lot of grotty hand coding of LLVM IR; however, we need some extra Sema support for this as well as support for builtin global variables. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108482 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-16IRgen: Move blocks runtime interfaces to CodeGenModule.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108481 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-15When deferring the emission of declarations with initializers in C++, rememberJohn McCall
the order they appeared in the translation unit. If they get emitted, put them in their proper order. Fixes rdar://problem/7458115 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108477 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-15Don't suppress the emission of available_externally functions markedDouglas Gregor
with always_inline attribute. Thanks to Howard for the tip. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108469 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-13Reinstate the optimization suppressing available_externally functionsDouglas Gregor
at -O0. The only change from the previous patch is that we don't try to generate virtual method thunks for an available_externally function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108230 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Speculatively revert r108156; it appears to be breaking self-host.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108194 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Do not generate LLVM IR for available_externally function bodies atDouglas Gregor
-O0, since we won't be using the definitions for anything anyway. For lib/System/Path.o when built in Debug+Asserts mode, this leads to a 4% improvement in compile time (and suppresses 440 function bodies). <rdar://problem/7987644> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108156 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Introduce Decl::hasBody() and FunctionDecl::hasBody() and use them instead ↵Argyrios Kyrtzidis
of getBody() when we are just checking the existence of a body, to avoid de-serialization of the body from PCH. Makes de-serialization of the function body even more "lazier". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107768 91177308-0d34-0410-b5e6-96231b3b80d8
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